Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lop cac nhat snippets" » "lop cac nha snippets", "lop cac nhan snippets", "lop cac chat snippets", "loi cach nhat snippets", "lop sach nhat snippets", "luoc cac nhat snippets", "lop cac nhat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lop cac nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lop cac nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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